\documentclass[a4paper, 12pt]{report}

\usepackage[italian]{babel}
\usepackage{amsmath}
\usepackage{amsthm}
\usepackage{geometry}
\usepackage{graphicx}

\usepackage[T1]{fontenc} 
\usepackage[utf8]{inputenc}


\usepackage{color}
\usepackage{xcolor}
\newcommand{\doppioCapo}{\par\bigskip}
% \insertImage {Scala} {Nome Immagine} {Descrizione immagine}
\newcommand{\insertImage } [3] {\begin{figure}[!h] \centering \includegraphics
[scale= #1]{../Immagini/#2} \caption{#3} \end{figure}}
%\insertFrac}{lvalue}{numerator}{denominator}
\newcommand{\insertFrac}[3]{\begin{equation} #1 = \frac{#2}{#3}\end{equation}}
\newcommand{\insertFracWithMult}[4]{\begin{equation} #1 =
{#2}\frac{#3}{#4}\end{equation}}
\newcommand{\insertTex}[1] {\input{#1.tex}}

\begin{document}
\tableofcontents
\insertTex{1.Sistemi_Distribuiti}
\insertTex{2.Disponibilita_Ridondanza}
\insertTex{3.Cooperazione_P2P}
\insertTex{4.Simulazione}
\insertTex{5.Anonimato}
\end{document}
